package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.pojo.Permission;
import com.itheima.pojo.Role;
import com.itheima.pojo.User;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

/**
 * @author kabuda
 * @create 2022-08-25 10:01
 */
@Component
public class SpringSecurityService implements UserDetailsService {
    @Reference
    UserService userService;
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        User user = userService.findByUserName(username);
        user.getPassword();
        //无此用户
        if(user==null){
            return null;
        }
        //给用户赋权和角色
        List list=new ArrayList();
        Set<Role> roles = user.getRoles();
        for (Role role : roles) {
            list.add(new SimpleGrantedAuthority(role.getKeyword()));
            Set<Permission> permissions = role.getPermissions();
            for (Permission permission : permissions) {
                list.add(new SimpleGrantedAuthority(permission.getKeyword()));
            }
        }

        org.springframework.security.core.userdetails.User user1 = new org.springframework.security.core.userdetails.User(username, user.getPassword(), list);
        return user1;
    }
}
